16,17,

来源：学生作业帮助网 编辑：作业帮 时间：2024/04/20 02:03:45
16,17,

16,17,
16,17,
 

16,17,
16 2012 17 n2=n 18 y-20=x+10

16,17, 16,17, 16,17, 16,17, 16 17 16~17 16 17 16 17 16 17 16,17, 16 17 16 17 16 17 16 17 16 17 16 17 16,17, 16,17,